fixed 16a2016 from https://gitee.com/l-liu/xts_acts_2/pulls/2887

<liwei@hisilicon.com>
Signed-off-by: Ntongtongdad <liwei200@hisilicon.com>

multimedia/medialibrary/mediaLibrary_js_standard/Test.json

@@ -55,6 +55,7 @@
             ],
             "teardown-command":[
                 "rm -rf /storage/media/100/local/files/*"
+				"rm -rf /data/accounts/account_0/appdata/com.ohos.medialibrary.MediaLibraryDataA/database/*"
             ]
         },
         {